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   <div id="projectname">PID plotter component
   &#160;<span id="projectnumber">1.0</span>
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   <div id="projectbrief">ESP-IDF component for pid plotter</div>
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<div class="title">json_handler.h</div>  </div>
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<a href="json__handler_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* JSON STRUCTURE</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">Json with PID data to be sent to client</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">{</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">    &quot;current&quot; : current,</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">    &quot;error&quot; : error,</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">    &quot;P&quot; : P,</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">    &quot;I&quot; : I,</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">    &quot;D&quot; : D</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">}</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">Json with Kp,ki,kd and setpoint data to be recieved</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">{</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">    &quot;kp&quot; : kp,</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">    &quot;ki&quot; : ki,</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">    &quot;kd&quot; : kd,</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">    &quot;setpoint&quot; : setpoint</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">}</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#ifndef JSON_HANDLER_H</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#define JSON_HANDLER_H</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;cJSON.h&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;stdio.h&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="structpid__const.html">   30</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structpid__const.html">pid_const</a></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structpid__const.html#a5ae3ec87567130989aa8dd833718c16a">   32</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="structpid__const.html#a5ae3ec87567130989aa8dd833718c16a">kp</a>;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structpid__const.html#a29e400ad2fbe11cc68925c837956c1ab">   33</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="structpid__const.html#a29e400ad2fbe11cc68925c837956c1ab">ki</a>;</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structpid__const.html#a5e6af6c51f63c03fe0fdf7705497e234">   34</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="structpid__const.html#a5e6af6c51f63c03fe0fdf7705497e234">kd</a>;</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structpid__const.html#a19b1118c03f705f3b693216e8f22d98a">   35</a></span>&#160;    <span class="keywordtype">float</span> <a class="code" href="structpid__const.html#a19b1118c03f705f3b693216e8f22d98a">setpoint</a>;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;};</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keywordtype">char</span> *<a class="code" href="json__handler_8h.html#a229aa3d7fb017d31499a5e29b78b7f08">create_pid_data_to_json</a>(<span class="keywordtype">float</span> current, <span class="keywordtype">float</span> error, <span class="keywordtype">float</span> P, <span class="keywordtype">float</span> I, <span class="keywordtype">float</span> D);</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">struct </span><a class="code" href="structpid__const.html">pid_const</a> <a class="code" href="json__handler_8h.html#a5a00fbe2cfe762fae40bd73932ddb072">read_pid_data_from_json</a>(const char* data);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="structpid__const_html_a29e400ad2fbe11cc68925c837956c1ab"><div class="ttname"><a href="structpid__const.html#a29e400ad2fbe11cc68925c837956c1ab">pid_const::ki</a></div><div class="ttdeci">float ki</div><div class="ttdef"><b>Definition:</b> json_handler.h:33</div></div>
<div class="ttc" id="structpid__const_html_a5ae3ec87567130989aa8dd833718c16a"><div class="ttname"><a href="structpid__const.html#a5ae3ec87567130989aa8dd833718c16a">pid_const::kp</a></div><div class="ttdeci">float kp</div><div class="ttdef"><b>Definition:</b> json_handler.h:32</div></div>
<div class="ttc" id="structpid__const_html_a19b1118c03f705f3b693216e8f22d98a"><div class="ttname"><a href="structpid__const.html#a19b1118c03f705f3b693216e8f22d98a">pid_const::setpoint</a></div><div class="ttdeci">float setpoint</div><div class="ttdef"><b>Definition:</b> json_handler.h:35</div></div>
<div class="ttc" id="structpid__const_html"><div class="ttname"><a href="structpid__const.html">pid_const</a></div><div class="ttdef"><b>Definition:</b> json_handler.h:30</div></div>
<div class="ttc" id="json__handler_8h_html_a229aa3d7fb017d31499a5e29b78b7f08"><div class="ttname"><a href="json__handler_8h.html#a229aa3d7fb017d31499a5e29b78b7f08">create_pid_data_to_json</a></div><div class="ttdeci">char * create_pid_data_to_json(float current, float error, float P, float I, float D)</div><div class="ttdoc">Converts PID data to a json string. </div><div class="ttdef"><b>Definition:</b> json_handler.c:13</div></div>
<div class="ttc" id="json__handler_8h_html_a5a00fbe2cfe762fae40bd73932ddb072"><div class="ttname"><a href="json__handler_8h.html#a5a00fbe2cfe762fae40bd73932ddb072">read_pid_data_from_json</a></div><div class="ttdeci">struct pid_const read_pid_data_from_json(const char *data)</div><div class="ttdoc">Reads PID constant data from a json formatted string. </div><div class="ttdef"><b>Definition:</b> json_handler.c:36</div></div>
<div class="ttc" id="structpid__const_html_a5e6af6c51f63c03fe0fdf7705497e234"><div class="ttname"><a href="structpid__const.html#a5e6af6c51f63c03fe0fdf7705497e234">pid_const::kd</a></div><div class="ttdeci">float kd</div><div class="ttdef"><b>Definition:</b> json_handler.h:34</div></div>
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